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computer vulnerability note 23839

Drupal Flag Clear: Cross Site Request Forgery

Synthesis of the vulnerability

An attacker can trigger a Cross Site Request Forgery of Drupal Flag Clear, in order to force the victim to perform operations.
Impacted products: Drupal Modules ~ not comprehensive.
Severity: 2/4.
Creation date: 14/09/2017.
Identifiers: DRUPAL-SA-CONTRIB-2017-074, VIGILANCE-VUL-23839.

Description of the vulnerability

The Flag Clear module can be installed on Drupal.

However, the origin of queries is not checked. They can for example originate from an image included in an HTML document.

An attacker can therefore trigger a Cross Site Request Forgery of Drupal Flag Clear, in order to force the victim to perform operations.
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